于震,符寒光,杜忠泽,李萍,雷永平

• 1:北京工业大学材料科学与工程学院
• 2:西安建筑科技大学冶金学院

摘要(Abstract)：

在测试了高硼高速钢轧辊材料临界点和等温转变曲线(TTT)的基础上,借助金相显微镜、扫描电镜、X衍射分析、拉伸试验、冲击试验和硬度试验等手段,研究了淬火处理对高硼高速钢轧辊材料组织与性能的影响。结果表明,高硼高速钢轧辊材料具有很好的淬透性,淬火后易获得高硬度的马氏体组织,且碳硼化合物呈孤立分布。淬火温度超过1050℃后,残留奥氏体增多,硬度反而下降。随着淬火温度升高,高硼高速钢的抗拉强度和冲击韧性提高,超过1050℃,抗拉强度的变化不明显。高硼高速钢在1050℃左右淬火,具有优良的综合性能。

关键词(KeyWords)： 高硼高速钢轧辊;淬火温度;金属基体;碳硼化合物;力学性能

Abstract:

Keywords:

基金项目(Foundation): 北京市教委科研专项(KM201310005003,PXM2012-156);; 云南省院省校科技合作专项(2010AD012)

作者(Author): 于震,符寒光,杜忠泽,李萍,雷永平

DOI: 10.13289/j.issn.1009-6264.2013.04.028

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